194917387

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 239984640

約数和(自身を除く): 45067253

約数列:

[1, 7, 23, 61, 89, 161, 223, 427, 623, 1403, 1561, 2047, 5129, 5429, 9821, 13603, 14329, 19847, 35903, 38003, 95221, 124867, 138929, 312869, 456481, 874069, 1210667, 2190083, 3195367, 8474669, 27845341, 194917387]

約数ペア:

[(1, 194917387), (7, 27845341), (23, 8474669), (61, 3195367), (89, 2190083), (161, 1210667), (223, 874069), (427, 456481), (623, 312869), (1403, 138929), (1561, 124867), (2047, 95221), (5129, 38003), (5429, 35903), (9821, 19847), (13603, 14329)]